1894164522 has 32 divisors (see below), whose sum is σ = 3922430400. Its totient is φ = 609076608.

The previous prime is 1894164521. The next prime is 1894164529. The reversal of 1894164522 is 2254614981.

It is not an unprimeable number, because it can be changed into a prime (1894164521) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 223254 + ... + 231582.

It is an arithmetic number, because the mean of its divisors is an integer number (122575950).

Almost surely, 2^1894164522 is an apocalyptic number.

1894164522 is an abundant number, since it is smaller than the sum of its proper divisors (2028265878).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1894164522 is a wasteful number, since it uses less digits than its factorization.

1894164522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9670.

The product of its digits is 138240, while the sum is 42.

The square root of 1894164522 is about 43522.0004365608. Note that the first 3 decimals coincide. The cubic root of 1894164522 is about 1237.2930287061.

The spelling of 1894164522 in words is "one billion, eight hundred ninety-four million, one hundred sixty-four thousand, five hundred twenty-two".